Avast! Antivirus allows you to easily scan your computer for malicious files. You should never have to pay for basic computer security, that's why Avast! is free. Though, do not think that because Avast! is free that the quality is subpar, because Avast! out-performs paid software suites in many tests.

We recommend Avast! to novice users as well as hardcore security enthusiasts. Antivirus and anti-spyware engines in Avast! are top of the line and the many different Shields will protect every facet of your computer usage. For example, the Avast! Boot-time scan will scan your computer before even booting into Windows so that malware will not have a chance to run before your antivirus does.

Setting up Avast! couldn't be simpler with the two step install process: